/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.atlas.legacy;

import java.util.ArrayDeque ;
import java.util.Deque ;

import org.apache.jena.atlas.junit.AssertExtra ;
import org.apache.jena.atlas.logging.Log ;
import org.apache.jena.riot.system.ErrorHandler ;
import org.apache.jena.riot.system.ErrorHandlerFactory ;

public class BaseTest2 {
    // Should go elsewhere?
    
  private static Deque<ErrorHandler> errorHandlers = new ArrayDeque<>() ;
   
   static public void setTestLogging(ErrorHandler errorhandler)
   {
       errorHandlers.push(ErrorHandlerFactory.getDefaultErrorHandler()) ;
       ErrorHandlerFactory.setDefaultErrorHandler(errorhandler) ;
   }
   
   static public void setTestLogging()
   {
//       if ( errorHandlers.size() != 0 )
//           Log.warn(BaseTest.class, "ErrorHandler already set for testing") ;
       setTestLogging(ErrorHandlerFactory.errorHandlerNoLogging) ;
   }

   static public void unsetTestLogging()
   {
       if ( errorHandlers.size() == 0 )
       {
           Log.warn(AssertExtra.class, "ErrorHandler not set for testing") ;
           ErrorHandlerFactory.setDefaultErrorHandler(ErrorHandlerFactory.errorHandlerStd) ;  // Panic measures
           return ;
       }
       ErrorHandler errHandler = errorHandlers.pop();
       ErrorHandlerFactory.setDefaultErrorHandler(errHandler) ;
   }

}

